NEET BIOLOGY

Detailed explanation-1: -Net primary productivity, or NPP, is gross primary productivity minus the rate of energy loss to metabolism and maintenance. In other words, it’s the rate at which energy is stored as biomass by plants or other primary producers and made available to the consumers in the ecosystem.

Detailed explanation-2: -Primary productivity is a term used to describe the rate at which plants and other photosynthetic organisms produce organic compounds in an ecosystem. There are two aspects of primary productivity: Gross productivity = the entire photosynthetic production of organic compounds in an ecosystem.

Detailed explanation-3: -Which of the following best describes the net primary productivity of an ecosystem? Net primary productivity is the amount of energy lost through respiration by producers subtracted from the gross primary productivity of an ecosystem.

Detailed explanation-4: -Gross primary productivity of an ecosystem is the rate of production of organic matter per unit area during photosynthesis.